Description The 677 combines a breathable mesh upper with our innovative Cardio Comfort technology to provide a lightweight comfort solution that outperforms in the gym and looks great with a pair of jeans.

Cardio Comfort a premium, dual-density insert, a super-supportive bed and lightweight construction, your feet can go on and on and on.

Dual-density construction utilizes softer EVA on top for comfort and cushioning, with more dense EVA on bottom for support